/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/elevator_spec14_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 10:09:52,412 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 10:09:52,415 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 10:09:52,459 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 10:09:52,459 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 10:09:52,461 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 10:09:52,462 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 10:09:52,465 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 10:09:52,467 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 10:09:52,469 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 10:09:52,470 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 10:09:52,471 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 10:09:52,472 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 10:09:52,473 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 10:09:52,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 10:09:52,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 10:09:52,477 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 10:09:52,478 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 10:09:52,480 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 10:09:52,483 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 10:09:52,485 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 10:09:52,487 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 10:09:52,488 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 10:09:52,489 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 10:09:52,506 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 10:09:52,506 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 10:09:52,507 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 10:09:52,508 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 10:09:52,508 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 10:09:52,510 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 10:09:52,510 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 10:09:52,511 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 10:09:52,512 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 10:09:52,513 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 10:09:52,514 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 10:09:52,515 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 10:09:52,516 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 10:09:52,516 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 10:09:52,516 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 10:09:52,518 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 10:09:52,518 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 10:09:52,520 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-29 10:09:52,550 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 10:09:52,551 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 10:09:52,552 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 10:09:52,553 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 10:09:52,553 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 10:09:52,553 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 10:09:52,553 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 10:09:52,554 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 10:09:52,554 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 10:09:52,554 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 10:09:52,554 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 10:09:52,554 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 10:09:52,555 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 10:09:52,555 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 10:09:52,555 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 10:09:52,555 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 10:09:52,556 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 10:09:52,556 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 10:09:52,556 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 10:09:52,556 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 10:09:52,557 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 10:09:52,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 10:09:52,557 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 10:09:52,557 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 10:09:52,557 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 10:09:52,558 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 10:09:52,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 10:09:52,558 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 10:09:52,558 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 10:09:52,558 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 10:09:52,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 10:09:52,967 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 10:09:52,973 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 10:09:52,974 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 10:09:52,975 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 10:09:52,977 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec14_product20.cil.c [2020-10-29 10:09:53,072 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e5d85c048/7959f9f4a5fd43f98a78609add82a653/FLAGbdfd94937 [2020-10-29 10:09:53,867 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 10:09:53,868 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec14_product20.cil.c [2020-10-29 10:09:53,914 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e5d85c048/7959f9f4a5fd43f98a78609add82a653/FLAGbdfd94937 [2020-10-29 10:09:54,080 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e5d85c048/7959f9f4a5fd43f98a78609add82a653 [2020-10-29 10:09:54,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 10:09:54,096 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 10:09:54,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 10:09:54,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 10:09:54,106 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 10:09:54,107 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 10:09:54" (1/1) ... [2020-10-29 10:09:54,113 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6df1b7d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:09:54, skipping insertion in model container [2020-10-29 10:09:54,113 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 10:09:54" (1/1) ... [2020-10-29 10:09:54,122 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 10:09:54,232 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 10:09:54,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 10:09:55,000 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 10:09:55,233 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 10:09:55,331 INFO L208 MainTranslator]: Completed translation [2020-10-29 10:09:55,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:09:55 WrapperNode [2020-10-29 10:09:55,332 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 10:09:55,334 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 10:09:55,334 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 10:09:55,334 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 10:09:55,349 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:09:55" (1/1) ... [2020-10-29 10:09:55,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:09:55" (1/1) ... [2020-10-29 10:09:55,402 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:09:55" (1/1) ... [2020-10-29 10:09:55,403 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:09:55" (1/1) ... [2020-10-29 10:09:55,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:09:55" (1/1) ... [2020-10-29 10:09:55,504 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:09:55" (1/1) ... [2020-10-29 10:09:55,527 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:09:55" (1/1) ... [2020-10-29 10:09:55,559 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 10:09:55,560 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 10:09:55,560 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 10:09:55,560 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 10:09:55,565 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:09:55" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 10:09:55,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 10:09:55,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 10:09:55,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-29 10:09:55,664 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 10:09:55,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-29 10:09:55,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-29 10:09:55,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-29 10:09:55,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-29 10:09:55,666 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-29 10:09:55,666 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-29 10:09:55,668 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-29 10:09:55,668 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-29 10:09:55,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification14_spec__1 [2020-10-29 10:09:55,668 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-29 10:09:55,668 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-29 10:09:55,669 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-29 10:09:55,670 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-29 10:09:55,670 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-29 10:09:55,670 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-29 10:09:55,670 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-29 10:09:55,670 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-29 10:09:55,670 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-29 10:09:55,670 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-29 10:09:55,671 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-29 10:09:55,671 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-29 10:09:55,671 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-29 10:09:55,671 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-29 10:09:55,671 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-29 10:09:55,671 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-29 10:09:55,671 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 10:09:55,672 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-29 10:09:55,672 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-29 10:09:55,672 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-29 10:09:55,672 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-29 10:09:55,673 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-29 10:09:55,673 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-29 10:09:55,673 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-29 10:09:55,673 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-29 10:09:55,673 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-29 10:09:55,673 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-29 10:09:55,673 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-29 10:09:55,673 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-29 10:09:55,674 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-29 10:09:55,674 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-29 10:09:55,674 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-29 10:09:55,675 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-29 10:09:55,675 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-29 10:09:55,675 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-29 10:09:55,675 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-29 10:09:55,675 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-29 10:09:55,675 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-29 10:09:55,676 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-29 10:09:55,676 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-29 10:09:55,677 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-29 10:09:55,677 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-29 10:09:55,677 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-29 10:09:55,677 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-29 10:09:55,677 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-29 10:09:55,678 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-29 10:09:55,678 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2020-10-29 10:09:55,678 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-29 10:09:55,678 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-29 10:09:55,678 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-29 10:09:55,678 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-29 10:09:55,678 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-29 10:09:55,678 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-29 10:09:55,679 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-29 10:09:55,679 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2020-10-29 10:09:55,679 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-29 10:09:55,679 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2020-10-29 10:09:55,680 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-29 10:09:55,680 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-29 10:09:55,681 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-29 10:09:55,682 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-29 10:09:55,682 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-29 10:09:55,682 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-29 10:09:55,682 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-29 10:09:55,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-29 10:09:55,683 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 10:09:55,683 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 10:09:55,683 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 10:09:55,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 10:09:55,683 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 10:09:55,683 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 10:09:55,683 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 10:09:55,683 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-29 10:09:55,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 10:09:55,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 10:09:55,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 10:09:55,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 10:09:55,684 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-29 10:09:55,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 10:09:55,684 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-29 10:09:55,684 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-29 10:09:55,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 10:09:55,685 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-29 10:09:55,685 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-29 10:09:55,685 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-29 10:09:55,685 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-29 10:09:55,685 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-29 10:09:55,685 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-29 10:09:55,685 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-29 10:09:55,685 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-29 10:09:55,686 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-29 10:09:55,686 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-29 10:09:55,686 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-29 10:09:55,686 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-29 10:09:55,686 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-29 10:09:55,687 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-29 10:09:55,687 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-29 10:09:55,687 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-29 10:09:55,687 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-29 10:09:55,688 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification14_spec__1 [2020-10-29 10:09:55,688 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 10:09:55,688 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-29 10:09:55,688 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-29 10:09:55,690 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-29 10:09:55,690 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-29 10:09:55,690 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-29 10:09:55,690 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-29 10:09:55,691 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-29 10:09:55,691 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-29 10:09:55,691 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-29 10:09:55,691 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-29 10:09:55,691 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-29 10:09:55,692 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-29 10:09:55,692 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-29 10:09:55,692 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-29 10:09:55,692 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-29 10:09:55,693 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-29 10:09:55,694 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-29 10:09:55,694 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-29 10:09:55,698 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-29 10:09:55,698 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-29 10:09:55,698 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-29 10:09:55,698 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 10:09:55,698 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-29 10:09:55,699 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-29 10:09:55,700 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-29 10:09:55,701 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-29 10:09:55,702 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-29 10:09:55,702 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-29 10:09:55,702 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-29 10:09:55,708 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-29 10:09:55,709 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-29 10:09:55,709 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-29 10:09:55,710 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-29 10:09:55,710 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-29 10:09:55,710 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-29 10:09:55,710 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-29 10:09:55,710 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-29 10:09:55,710 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-29 10:09:55,710 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-29 10:09:55,711 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-29 10:09:55,711 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-29 10:09:55,711 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-29 10:09:55,711 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-29 10:09:55,711 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-29 10:09:55,711 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2020-10-29 10:09:55,711 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-29 10:09:55,712 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-29 10:09:55,712 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-29 10:09:55,712 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-29 10:09:55,712 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-29 10:09:55,712 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-29 10:09:55,712 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2020-10-29 10:09:55,713 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2020-10-29 10:09:55,713 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-29 10:09:55,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 10:09:55,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 10:09:55,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 10:09:58,512 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 10:09:58,513 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-29 10:09:58,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 10:09:58 BoogieIcfgContainer [2020-10-29 10:09:58,516 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 10:09:58,518 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 10:09:58,518 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 10:09:58,522 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 10:09:58,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 10:09:54" (1/3) ... [2020-10-29 10:09:58,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60b4147a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 10:09:58, skipping insertion in model container [2020-10-29 10:09:58,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:09:55" (2/3) ... [2020-10-29 10:09:58,524 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60b4147a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 10:09:58, skipping insertion in model container [2020-10-29 10:09:58,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 10:09:58" (3/3) ... [2020-10-29 10:09:58,526 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec14_product20.cil.c [2020-10-29 10:09:58,543 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 10:09:58,549 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-29 10:09:58,563 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-29 10:09:58,597 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 10:09:58,597 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 10:09:58,597 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 10:09:58,597 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 10:09:58,597 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 10:09:58,597 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 10:09:58,597 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 10:09:58,598 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 10:09:58,634 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states. [2020-10-29 10:09:58,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-29 10:09:58,650 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 10:09:58,651 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 10:09:58,652 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 10:09:58,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 10:09:58,659 INFO L82 PathProgramCache]: Analyzing trace with hash -617588896, now seen corresponding path program 1 times [2020-10-29 10:09:58,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 10:09:58,674 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [160296611] [2020-10-29 10:09:58,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 10:09:59,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:09:59,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:09:59,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:09:59,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:00,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:04,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:10:04,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-29 10:10:04,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 10:10:04,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-29 10:10:04,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:10:04,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:10:04,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 10:10:04,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:10:04,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-29 10:10:04,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-29 10:10:05,560 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-29 10:10:05,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 10:10:05,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:10:05,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:05,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:10:05,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:10:05,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:10:05,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 206 [2020-10-29 10:10:05,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:10:05,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:10:05,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:10:05,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:10:05,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 10:10:05,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:10:05,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 10:10:05,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:10:05,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:05,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:10:05,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:10:05,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:10:05,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 10:10:05,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:10:05,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:10:05,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:10:05,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:10:05,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 10:10:05,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:10:05,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 10:10:05,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:10:05,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:05,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:10:05,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:10:05,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:10:05,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 10:10:05,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:10:05,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:10:05,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:10:05,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:10:05,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 10:10:05,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-29 10:10:05,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 10:10:05,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:10:05,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:05,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:10:05,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:10:05,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:10:05,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 10:10:05,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:10:05,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:10:05,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:10:05,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:10:05,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 10:10:05,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 10:10:05,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 10:10:05,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:10:05,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:05,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:10:05,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:10:05,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:10:05,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 10:10:05,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:10:05,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:10:05,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:10:05,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:10:05,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 10:10:05,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:10:06,069 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-29 10:10:06,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 10:10:06,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:10:06,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:06,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:06,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:06,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:06,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:06,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:10:06,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 10:10:06,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 10:10:06,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 853 [2020-10-29 10:10:06,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:10:06,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:10:06,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:10:06,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:10:06,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-29 10:10:06,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:10:06,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:10:06,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:10:06,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:06,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:06,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:10:06,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:10:06,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 10:10:06,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 10:10:06,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:10:06,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:10:06,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 10:10:06,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 10:10:06,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 10:10:06,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:10:07,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 10:10:07,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:10:07,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:07,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:07,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:10:07,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 10:10:07,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 10:10:07,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-29 10:10:07,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:10:07,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:10:07,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 10:10:07,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 10:10:07,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 10:10:07,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-29 10:10:07,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 10:10:07,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:10:07,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:07,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:10:07,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:10:07,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:10:07,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 10:10:07,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:10:07,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:10:07,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:10:07,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:10:07,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 10:10:07,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:10:07,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-29 10:10:07,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:10:07,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:07,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:10:07,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:10:07,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:10:07,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 10:10:07,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:10:07,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:10:07,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:10:07,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:10:07,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 10:10:07,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:10:07,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-29 10:10:07,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:10:07,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:07,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:10:07,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 10:10:07,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:10:07,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 10:10:07,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:10:07,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:10:07,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 10:10:07,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-29 10:10:07,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 10:10:07,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:10:07,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:10:07,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:10:07,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:07,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:10:07,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:10:07,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:10:07,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 10:10:07,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:10:07,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:10:07,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 10:10:07,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:10:07,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 10:10:07,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:10:07,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-29 10:10:07,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:10:07,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:07,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:10:07,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:10:07,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:10:07,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:10:07,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:10:07,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:10:07,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:10:07,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:10:07,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:10:07,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:10:07,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-29 10:10:07,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:10:07,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:07,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:10:07,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:10:07,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:10:07,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 10:10:07,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:10:07,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:10:07,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:10:07,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:10:07,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:10:07,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:10:07,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-29 10:10:07,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:10:07,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:07,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:10:07,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:10:07,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:10:07,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:10:07,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:10:07,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:10:07,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:10:07,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:10:07,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:10:07,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:10:07,412 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-29 10:10:07,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [160296611] [2020-10-29 10:10:07,415 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 10:10:07,416 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-29 10:10:07,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024678993] [2020-10-29 10:10:07,422 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-29 10:10:07,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 10:10:07,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-29 10:10:07,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-10-29 10:10:07,444 INFO L87 Difference]: Start difference. First operand 755 states. Second operand 14 states. [2020-10-29 10:10:10,374 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-29 10:10:12,124 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:10:13,320 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-29 10:10:14,761 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:10:16,478 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-29 10:10:17,902 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-29 10:10:19,135 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 412 [2020-10-29 10:10:26,568 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-29 10:10:30,022 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:10:32,480 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:10:33,654 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-29 10:10:43,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 10:10:43,111 INFO L93 Difference]: Finished difference Result 1500 states and 2549 transitions. [2020-10-29 10:10:43,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-29 10:10:43,114 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 88 [2020-10-29 10:10:43,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 10:10:43,152 INFO L225 Difference]: With dead ends: 1500 [2020-10-29 10:10:43,152 INFO L226 Difference]: Without dead ends: 885 [2020-10-29 10:10:43,173 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 13.6s TimeCoverageRelationStatistics Valid=195, Invalid=675, Unknown=0, NotChecked=0, Total=870 [2020-10-29 10:10:43,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 885 states. [2020-10-29 10:10:43,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 885 to 645. [2020-10-29 10:10:43,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states. [2020-10-29 10:10:43,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 1031 transitions. [2020-10-29 10:10:43,558 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 1031 transitions. Word has length 88 [2020-10-29 10:10:43,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 10:10:43,558 INFO L481 AbstractCegarLoop]: Abstraction has 645 states and 1031 transitions. [2020-10-29 10:10:43,558 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-29 10:10:43,558 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 1031 transitions. [2020-10-29 10:10:43,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-29 10:10:43,576 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 10:10:43,577 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 10:10:43,577 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 10:10:43,577 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 10:10:43,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 10:10:43,578 INFO L82 PathProgramCache]: Analyzing trace with hash -1413265043, now seen corresponding path program 1 times [2020-10-29 10:10:43,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 10:10:43,578 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [43279007] [2020-10-29 10:10:43,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 10:10:43,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:10:43,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:43,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:43,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:44,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:46,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:48,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:10:48,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-29 10:10:48,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 10:10:48,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-29 10:10:48,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:10:48,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:10:48,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 10:10:48,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:10:48,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-29 10:10:48,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:10:49,851 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-29 10:10:49,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 10:10:49,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:10:49,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:50,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:10:50,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:10:50,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:10:50,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-10-29 10:10:50,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:10:50,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:10:50,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:10:50,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:10:50,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 10:10:50,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:10:50,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 10:10:50,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:10:50,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:50,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:10:50,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:10:50,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:10:50,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:10:50,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:10:50,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:10:50,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:10:50,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:10:50,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 10:10:50,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:10:50,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 10:10:50,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:10:50,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:50,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:10:50,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:10:50,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:10:50,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:10:50,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:10:50,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:10:50,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:10:50,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:10:50,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 10:10:50,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:10:50,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 10:10:50,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:10:50,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:50,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:10:50,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:10:50,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:10:50,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 10:10:50,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:10:50,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:10:50,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:10:50,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:10:50,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 10:10:50,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:10:50,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 10:10:50,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:10:50,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:50,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:10:50,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:10:50,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:10:50,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:10:50,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:10:50,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:10:50,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:10:50,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:10:50,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 10:10:50,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:10:50,249 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-29 10:10:50,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 10:10:50,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:10:50,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:50,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:50,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:50,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:50,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:51,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:10:51,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 10:10:51,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 10:10:51,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 850 [2020-10-29 10:10:51,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:10:51,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:10:51,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:10:51,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:10:51,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-29 10:10:51,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:10:51,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:10:51,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:10:51,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:51,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:51,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:10:51,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 10:10:51,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 10:10:51,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 10:10:51,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:10:51,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:10:51,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 10:10:51,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 10:10:51,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 10:10:51,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:10:51,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 10:10:51,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:10:51,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:51,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:51,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:10:51,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 10:10:51,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 10:10:51,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-29 10:10:51,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:10:51,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:10:51,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 10:10:51,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 10:10:51,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 10:10:51,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:10:51,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-29 10:10:51,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:10:51,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:51,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:10:51,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:10:51,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:10:51,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 10:10:51,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:10:51,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:10:51,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:10:51,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:10:51,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 10:10:51,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:10:51,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-29 10:10:51,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:10:51,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:51,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:10:51,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:10:51,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:10:51,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 10:10:51,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:10:51,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:10:51,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:10:51,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:10:51,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 10:10:51,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:10:51,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-29 10:10:51,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:10:51,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:51,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:10:51,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 10:10:51,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:10:51,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 10:10:51,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:10:51,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:10:51,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 10:10:51,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-29 10:10:51,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 10:10:51,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:10:51,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:10:51,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:10:51,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:51,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:10:51,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 10:10:51,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:10:51,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 10:10:51,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:10:51,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:10:51,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 10:10:51,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:10:51,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 10:10:51,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:10:51,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-29 10:10:51,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:10:51,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:51,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:10:51,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:10:51,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:10:51,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:10:51,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:10:51,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:10:51,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:10:51,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:10:51,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:10:51,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:10:51,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-29 10:10:51,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:10:51,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:51,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:10:51,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:10:51,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:10:51,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 10:10:51,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:10:51,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:10:51,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:10:51,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:10:51,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:10:51,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:10:51,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-29 10:10:51,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:10:51,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:10:51,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:10:51,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:10:51,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:10:51,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:10:51,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:10:51,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:10:51,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:10:51,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:10:51,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:10:51,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:10:51,440 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-29 10:10:51,440 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [43279007] [2020-10-29 10:10:51,441 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 10:10:51,441 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-29 10:10:51,441 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807171374] [2020-10-29 10:10:51,442 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-29 10:10:51,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 10:10:51,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-29 10:10:51,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-10-29 10:10:51,444 INFO L87 Difference]: Start difference. First operand 645 states and 1031 transitions. Second operand 13 states. [2020-10-29 10:10:53,773 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-29 10:10:55,299 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:10:56,479 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-29 10:10:57,878 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:10:59,598 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-29 10:11:00,899 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:11:02,111 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-29 10:11:09,592 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:11:12,888 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:11:14,775 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:11:15,972 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-29 10:11:28,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 10:11:28,049 INFO L93 Difference]: Finished difference Result 1507 states and 2556 transitions. [2020-10-29 10:11:28,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-29 10:11:28,055 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 91 [2020-10-29 10:11:28,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 10:11:28,067 INFO L225 Difference]: With dead ends: 1507 [2020-10-29 10:11:28,067 INFO L226 Difference]: Without dead ends: 890 [2020-10-29 10:11:28,072 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 13.2s TimeCoverageRelationStatistics Valid=176, Invalid=636, Unknown=0, NotChecked=0, Total=812 [2020-10-29 10:11:28,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 890 states. [2020-10-29 10:11:28,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 890 to 650. [2020-10-29 10:11:28,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 650 states. [2020-10-29 10:11:28,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 1030 transitions. [2020-10-29 10:11:28,266 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 1030 transitions. Word has length 91 [2020-10-29 10:11:28,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 10:11:28,266 INFO L481 AbstractCegarLoop]: Abstraction has 650 states and 1030 transitions. [2020-10-29 10:11:28,266 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-29 10:11:28,266 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 1030 transitions. [2020-10-29 10:11:28,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-29 10:11:28,269 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 10:11:28,269 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 10:11:28,269 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 10:11:28,269 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 10:11:28,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 10:11:28,270 INFO L82 PathProgramCache]: Analyzing trace with hash 620338203, now seen corresponding path program 1 times [2020-10-29 10:11:28,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 10:11:28,271 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1206528544] [2020-10-29 10:11:28,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 10:11:28,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:11:28,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:28,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:28,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:29,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:31,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:31,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:33,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:34,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:11:34,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-29 10:11:34,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 10:11:34,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5643 [2020-10-29 10:11:34,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:11:34,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:11:34,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 10:11:34,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:11:34,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-29 10:11:34,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:11:35,291 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-29 10:11:35,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 10:11:35,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:11:35,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:35,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:11:35,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:11:35,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:11:35,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-29 10:11:35,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:11:35,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:11:35,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:11:35,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:11:35,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 10:11:35,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:11:35,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 10:11:35,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:11:35,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:35,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:11:35,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:11:35,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:11:35,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:11:35,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:11:35,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:11:35,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:11:35,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:11:35,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 10:11:35,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:11:35,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 10:11:35,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:11:35,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:35,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:11:35,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:11:35,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:11:35,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:11:35,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:11:35,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:11:35,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:11:35,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:11:35,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 10:11:35,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:11:35,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 10:11:35,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:11:35,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:35,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:11:35,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:11:35,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:11:35,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:11:35,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:11:35,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:11:35,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:11:35,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:11:35,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 10:11:35,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:11:35,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 10:11:35,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:11:35,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:35,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:11:35,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:11:35,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:11:35,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:11:35,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:11:35,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:11:35,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:11:35,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:11:35,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 10:11:35,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:11:35,590 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-29 10:11:35,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 10:11:35,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:11:35,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:35,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:35,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:35,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:35,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:36,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:11:36,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-29 10:11:36,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 10:11:36,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 759 [2020-10-29 10:11:36,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:11:36,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:11:36,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:11:36,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:11:36,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-29 10:11:36,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:11:36,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:11:36,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:11:36,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:36,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:36,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:11:36,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 10:11:36,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 10:11:36,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 10:11:36,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:11:36,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:11:36,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 10:11:36,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 10:11:36,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 10:11:36,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:11:36,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 10:11:36,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:11:36,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:36,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:36,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:11:36,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 10:11:36,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 10:11:36,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-29 10:11:36,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:11:36,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:11:36,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 10:11:36,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 10:11:36,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 10:11:36,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:11:36,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-29 10:11:36,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:11:36,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:36,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:11:36,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:11:36,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:11:36,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 10:11:36,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:11:36,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:11:36,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:11:36,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:11:36,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 10:11:36,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:11:36,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-29 10:11:36,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:11:36,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:36,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:11:36,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:11:36,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:11:36,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 10:11:36,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:11:36,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:11:36,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:11:36,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:11:36,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 10:11:36,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:11:36,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-29 10:11:36,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:11:36,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:36,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:11:36,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 10:11:36,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:11:36,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 10:11:36,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:11:36,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:11:36,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 10:11:36,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-29 10:11:36,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 10:11:36,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:11:36,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:11:36,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:11:36,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:36,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:11:36,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 10:11:36,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:11:36,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 10:11:36,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:11:36,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:11:36,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 10:11:36,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:11:36,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 10:11:36,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:11:36,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-29 10:11:36,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:11:36,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:36,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:11:36,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:11:36,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:11:36,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:11:36,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:11:36,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:11:36,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:11:36,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:11:36,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:11:36,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:11:36,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-29 10:11:36,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:11:36,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:36,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:11:36,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:11:36,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:11:36,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 10:11:36,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:11:36,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:11:36,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:11:36,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:11:36,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:11:36,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:11:36,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 10:11:36,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:11:36,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:11:36,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:11:36,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:11:36,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:11:36,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:11:36,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:11:36,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:11:36,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:11:36,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:11:36,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:11:36,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:11:36,695 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-29 10:11:36,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1206528544] [2020-10-29 10:11:36,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 10:11:36,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-29 10:11:36,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978825505] [2020-10-29 10:11:36,698 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-29 10:11:36,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 10:11:36,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-29 10:11:36,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-10-29 10:11:36,699 INFO L87 Difference]: Start difference. First operand 650 states and 1030 transitions. Second operand 13 states. [2020-10-29 10:11:38,984 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-29 10:11:40,609 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:11:41,932 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-29 10:11:43,400 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:11:45,026 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-29 10:11:46,443 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:11:47,774 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-29 10:11:55,835 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:11:59,530 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:12:00,747 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-29 10:12:11,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 10:12:11,237 INFO L93 Difference]: Finished difference Result 1520 states and 2559 transitions. [2020-10-29 10:12:11,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-29 10:12:11,238 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 94 [2020-10-29 10:12:11,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 10:12:11,250 INFO L225 Difference]: With dead ends: 1520 [2020-10-29 10:12:11,251 INFO L226 Difference]: Without dead ends: 896 [2020-10-29 10:12:11,255 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 13.1s TimeCoverageRelationStatistics Valid=165, Invalid=591, Unknown=0, NotChecked=0, Total=756 [2020-10-29 10:12:11,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 896 states. [2020-10-29 10:12:11,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 656. [2020-10-29 10:12:11,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 656 states. [2020-10-29 10:12:11,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 656 states and 1029 transitions. [2020-10-29 10:12:11,480 INFO L78 Accepts]: Start accepts. Automaton has 656 states and 1029 transitions. Word has length 94 [2020-10-29 10:12:11,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 10:12:11,481 INFO L481 AbstractCegarLoop]: Abstraction has 656 states and 1029 transitions. [2020-10-29 10:12:11,481 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-29 10:12:11,481 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 1029 transitions. [2020-10-29 10:12:11,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-29 10:12:11,483 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 10:12:11,483 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 10:12:11,483 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 10:12:11,484 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 10:12:11,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 10:12:11,484 INFO L82 PathProgramCache]: Analyzing trace with hash -833879277, now seen corresponding path program 1 times [2020-10-29 10:12:11,484 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 10:12:11,485 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1364720373] [2020-10-29 10:12:11,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 10:12:11,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:11,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:11,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:11,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:11,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:14,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:16,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:16,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:16,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-29 10:12:16,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 10:12:16,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5048 [2020-10-29 10:12:16,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:16,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:16,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 10:12:16,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:12:16,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-29 10:12:16,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:12:17,767 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-29 10:12:17,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 10:12:17,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:17,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:17,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:17,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:12:17,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:12:17,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-29 10:12:17,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:17,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:17,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:12:17,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:12:17,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 10:12:17,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:12:17,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 10:12:17,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:17,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:17,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:17,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:12:17,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:12:17,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:12:17,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:17,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:17,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:12:17,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:12:17,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 10:12:17,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:12:17,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 10:12:17,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:17,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:17,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:17,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:12:17,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:12:17,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:12:17,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:17,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:17,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:12:17,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:12:17,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 10:12:17,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:12:17,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 10:12:17,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:17,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:17,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:17,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:12:17,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:12:17,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:12:17,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:17,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:17,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:12:17,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:12:17,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 10:12:17,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:12:17,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 10:12:17,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:17,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:17,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:17,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:12:17,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:12:17,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:12:17,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:17,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:17,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:12:17,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:12:17,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 10:12:17,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:12:18,080 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-29 10:12:18,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 10:12:18,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:18,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:18,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:18,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:18,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:18,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:19,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:19,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-29 10:12:19,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 10:12:19,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1104 [2020-10-29 10:12:19,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:19,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:19,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:12:19,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:12:19,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-29 10:12:19,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:12:19,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:12:19,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:19,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:19,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:19,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:19,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 10:12:19,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 10:12:19,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 10:12:19,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:19,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:19,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 10:12:19,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 10:12:19,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 10:12:19,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:12:19,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 10:12:19,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:19,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:19,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:19,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:19,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 10:12:19,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 10:12:19,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-29 10:12:19,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:19,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:19,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 10:12:19,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-29 10:12:19,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 10:12:19,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:12:19,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 10:12:19,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:19,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:19,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:19,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:12:19,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:12:19,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 10:12:19,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:19,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:19,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 10:12:19,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 10:12:19,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 10:12:19,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:12:19,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-29 10:12:19,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:19,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:19,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:19,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:12:19,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:12:19,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:12:19,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:19,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:19,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:12:19,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:12:19,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 10:12:19,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:12:19,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-29 10:12:19,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:19,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:19,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:19,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 10:12:19,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:12:19,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 10:12:19,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:19,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:19,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 10:12:19,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-29 10:12:19,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 10:12:19,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:12:19,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:12:19,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:19,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:19,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:19,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 10:12:19,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:12:19,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 10:12:19,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:19,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:19,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 10:12:19,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:12:19,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 10:12:19,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:12:19,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-29 10:12:19,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:19,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:19,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:19,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:12:19,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:12:19,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:12:19,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:19,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:19,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:12:19,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:12:19,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:12:19,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:12:19,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-29 10:12:19,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:19,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:19,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:19,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:12:19,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:12:19,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 10:12:19,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:19,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:19,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:12:19,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:12:19,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:12:19,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:12:19,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-29 10:12:19,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:19,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:19,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:19,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:12:19,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:12:19,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:12:19,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:19,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:19,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:12:19,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:12:19,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:12:19,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:12:19,561 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-29 10:12:19,562 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1364720373] [2020-10-29 10:12:19,562 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 10:12:19,562 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-29 10:12:19,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244522132] [2020-10-29 10:12:19,563 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-29 10:12:19,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 10:12:19,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-29 10:12:19,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-10-29 10:12:19,564 INFO L87 Difference]: Start difference. First operand 656 states and 1029 transitions. Second operand 14 states. [2020-10-29 10:12:23,043 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-29 10:12:24,719 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:12:26,014 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-29 10:12:27,535 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-29 10:12:29,084 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:12:30,568 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-29 10:12:31,961 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-29 10:12:33,284 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 412 [2020-10-29 10:12:42,085 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-29 10:12:45,368 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:12:58,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 10:12:58,370 INFO L93 Difference]: Finished difference Result 1544 states and 2583 transitions. [2020-10-29 10:12:58,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-29 10:12:58,372 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 97 [2020-10-29 10:12:58,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 10:12:58,381 INFO L225 Difference]: With dead ends: 1544 [2020-10-29 10:12:58,381 INFO L226 Difference]: Without dead ends: 921 [2020-10-29 10:12:58,385 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 13.1s TimeCoverageRelationStatistics Valid=156, Invalid=656, Unknown=0, NotChecked=0, Total=812 [2020-10-29 10:12:58,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2020-10-29 10:12:58,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 667. [2020-10-29 10:12:58,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 667 states. [2020-10-29 10:12:58,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 1042 transitions. [2020-10-29 10:12:58,577 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 1042 transitions. Word has length 97 [2020-10-29 10:12:58,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 10:12:58,577 INFO L481 AbstractCegarLoop]: Abstraction has 667 states and 1042 transitions. [2020-10-29 10:12:58,577 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-29 10:12:58,577 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 1042 transitions. [2020-10-29 10:12:58,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-10-29 10:12:58,579 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 10:12:58,580 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 10:12:58,580 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 10:12:58,580 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 10:12:58,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 10:12:58,581 INFO L82 PathProgramCache]: Analyzing trace with hash -1144545928, now seen corresponding path program 1 times [2020-10-29 10:12:58,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 10:12:58,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1835245226] [2020-10-29 10:12:58,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 10:12:58,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:58,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:58,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:58,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:00,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:03,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:13:03,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-29 10:13:03,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 10:13:03,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5055 [2020-10-29 10:13:03,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:13:03,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:13:03,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 10:13:03,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:13:03,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-29 10:13:03,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:13:05,185 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-29 10:13:05,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 10:13:05,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:13:05,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:05,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:13:05,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:13:05,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:13:05,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-29 10:13:05,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:13:05,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:13:05,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:13:05,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:13:05,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 10:13:05,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:13:05,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 10:13:05,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:13:05,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:05,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:13:05,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:13:05,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:13:05,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 10:13:05,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:13:05,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:13:05,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:13:05,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:13:05,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 10:13:05,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:13:05,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 10:13:05,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:13:05,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:05,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:13:05,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:13:05,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:13:05,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:13:05,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:13:05,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:13:05,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:13:05,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:13:05,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 10:13:05,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:13:05,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 10:13:05,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:13:05,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:05,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:13:05,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:13:05,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:13:05,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 10:13:05,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:13:05,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:13:05,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:13:05,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:13:05,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 10:13:05,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:13:05,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 10:13:05,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:13:05,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:05,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:13:05,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:13:05,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:13:05,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:13:05,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:13:05,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:13:05,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:13:05,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:13:05,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 10:13:05,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:13:05,526 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-29 10:13:05,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 10:13:05,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:13:05,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:05,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:05,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:05,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:13:05,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-29 10:13:05,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 10:13:05,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-29 10:13:05,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:13:05,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:13:05,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:13:05,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:13:05,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-29 10:13:05,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:13:05,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:13:05,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:13:05,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:05,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:05,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:13:05,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 10:13:05,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 10:13:05,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 10:13:05,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:13:05,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:13:05,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 10:13:05,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 10:13:05,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 10:13:05,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:13:05,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-29 10:13:05,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:13:05,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:05,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:05,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:13:05,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 10:13:05,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 10:13:05,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 10:13:05,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:13:05,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:13:05,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 10:13:05,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 10:13:05,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 10:13:05,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:13:05,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 10:13:05,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:13:05,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:05,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:13:05,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:13:05,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:13:05,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 10:13:05,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:13:05,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:13:05,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:13:05,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:13:05,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 10:13:05,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:13:05,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-29 10:13:05,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:13:05,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:05,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:13:05,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:13:05,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:13:05,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:13:05,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:13:05,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:13:05,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:13:05,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:13:05,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 10:13:05,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:13:05,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-29 10:13:05,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:13:05,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:05,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:13:05,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 10:13:05,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:13:05,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 10:13:05,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:13:05,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:13:05,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:13:05,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-29 10:13:05,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:13:05,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:13:05,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:13:05,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:13:05,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:05,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:13:05,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 10:13:05,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:13:05,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:13:05,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:13:05,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:13:05,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:13:05,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:13:05,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:13:05,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:13:05,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-29 10:13:05,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:13:05,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:05,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:13:05,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:13:05,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:13:05,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 10:13:05,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:13:05,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:13:05,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:13:05,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:13:05,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:13:05,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:13:05,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-29 10:13:05,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:13:05,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:05,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:13:05,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:13:05,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:13:05,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:13:05,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:13:05,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:13:05,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:13:05,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:13:05,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:13:05,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:13:05,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-29 10:13:05,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:13:05,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:13:05,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:13:05,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:13:05,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:13:05,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 10:13:05,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:13:05,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:13:05,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:13:05,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:13:05,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:13:05,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:13:05,898 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-29 10:13:05,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1835245226] [2020-10-29 10:13:05,899 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 10:13:05,899 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-29 10:13:05,899 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878085679] [2020-10-29 10:13:05,900 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 10:13:05,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 10:13:05,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 10:13:05,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-10-29 10:13:05,901 INFO L87 Difference]: Start difference. First operand 667 states and 1042 transitions. Second operand 11 states. [2020-10-29 10:13:07,961 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 407 [2020-10-29 10:13:09,493 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-29 10:13:10,702 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 412 [2020-10-29 10:13:12,089 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-29 10:13:13,427 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 10:13:29,891 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-29 10:13:31,915 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-29 10:13:33,217 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 412